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Amanasaurus

Izenaren esanahia: “rain lizard”1

Jaten zuen: LandareakLandarejale mokodunakGoi Triasikoa

Amanasaurus was a plant-eating dinosaur that lived about 233 million years ago in what is now Brazil. It had a beak-like mouth and walked on four legs, munching on ferns and other plants. This dinosaur was about the size of a large dog, making it one of the bigger plant-eaters of its time.2 6

Bizi izan zen

Duela 237 eta 227 milioi urte artean6

Goi Triasikoa

Fosilak hemen aurkitu dira:

Pivetta site, between Restinga Sêca and São João do Polêsine, Rio Grande do Sul, Brazil2 6

Luzera

1,27 m arte (4,2 ft)3

Pisua

3,5 kg arte (8 lb)3

Altuera

0,42 m (1,4 ft)

kalkulua

Abiadura maximoa

25 km/h inguru (16 mph)

Korrika egitea, kalkulua

Noiz bizi izan zen?

Triasikoa

Jurasikoa

Kretazeoa

Duela 252 milioi urte20114566, asteroidea

Zein handia zen?

Zein luzea zen?

Zein altua zen?

kalkulua

Zein astuna zen?

29 banana bezain astun

2,5 etxeko katu bezain luze, sudurretik buztanerabata bestearen atzean jarritako 7 banana bezain luzeetxeko katu bat bezain astun, gutxi gorabehera29 banana bezain astunaulki baten azpitik ibiltzeko bezain txikia100 metro 14 segundotan egin zitzakeen korrika (gizakirik azkarrenak 9,6 behar ditu)

Zein handia zen Amanasaurus ZUREKIN alderatuta?

Zure nabigatzaileko kalkulu hutsak. Ez da ezer gordetzen ez inora bidaltzen.

Zein azkarra zen?

Pertsona bat oinez 5 km/h inguru (3 mph)

Haur bat bizikletan 12 km/h inguru (7 mph)

Amanasaurus 25 km/h inguru (16 mph)

Zaldi bat lauhazka 65 km/h inguru (40 mph)

Gepardo bat 100 km/h inguru (62 mph)

gauza bikainak

Datu dibertigarriak

Amanasaurus lived during a time called the Carnian pluvial episode, a wet period when it rained a lot. Its name 'rain lizard' comes from that.1 2

Scientists know Amanasaurus from just two leg bones: a top part of a right thigh bone and a bottom part of a left thigh bone. These bones were found in the same spot.2 1

Amanasaurus was about the same size as the earliest dinosaurs that lived alongside it. This surprised scientists, who thought silesaurids were always smaller.2

The thigh bone of Amanasaurus had a special groove called a cleft between the top of the anterior trochanter and the shaft. This is the oldest such feature seen in any silesaurid.2

Amanasaurus is named after Dr. Sterling J. Nesbitt, a paleontologist who studied many Triassic reptiles. The species name 'nesbitti' honors his work.1 2

Some scientists think Amanasaurus might be a very early type of ornithischian dinosaur, the group that includes plant-eaters like Stegosaurus and Triceratops. Others say it is a close cousin of dinosaurs.2 1

Amanasaurus: AAk egindako irudia — Amanasaurus nolakoa izan zitekeen erakusten duen AAk egindako irudia, ordenagailu batek zientzialariek dakitenetik sortua. Asmakizun bat da: benetako animalia desberdina izan zitekeen, eta inork ez daki zein ziren bere benetako koloreak.

zure galderak

Amanasaurus: gehien egindako galderak

?How big was Amanasaurus?

About 1.3 metres (4.3 feet) long, based on the larger leg bone found. That is roughly the size of a large dog.4

?Was Amanasaurus a dinosaur?

Scientists disagree. Some say it was a very early ornithischian dinosaur, while others say it was a close cousin of dinosaurs. Either way, it is a dinosauriform, meaning it is closely related to dinosaurs.5 1

?What did Amanasaurus eat?

It was a plant-eater. It used its beak-like mouth to munch on ferns and other plants that grew during the rainy Carnian period.4

Dino adituentzat

Izen zientifikoa: Amanasaurus
Izendatzailea:: Müller and Garcia 20236
Taldea: Landarejale mokodunak
Familia / klada: Silesauridae6
Sailkapena: Ornithischia6
Arroken adina: 237 eta 227 milioi urte artean (Carnian)6
Herrialdeak: Brasil6
Fosil-erregistroak: 1 The Paleobiology Database datu-basean6
Aurkikuntza: Amanasaurus was named in 2023 by paleontologists Rodrigo T. Müller and Maurício S. Garcia. They studied two fossil leg bones found at the Pivetta site in Brazil.6 2
Oraindik eztabaidagai: Scientists are not sure if Amanasaurus was a true dinosaur or a very close relative. Some studies place it inside Ornithischia, while others put it just outside Dinosauria.2 1

Datuak nondik datozen

Amanasaurus (en.wikipedia.org)
A new silesaurid from Carnian beds of Brazil fills a gap in the radiation of avian line archosaurs (nature.com)
Amanasaurus nesbitti | Dinosaur Database by DinoAnimals.com (dinoanimals.com)
Paleontólogos da UFSM descobrem nova espécie pré-histórica que preenche lacuna na evolução dos dinossauros – UFSM (ufsm.br)
A new silesaurid from Carnian beds of Brazil fills a gap in the radiation of avian line archosaurs | Scientific Reports (nature.com)
Amanasaurus in The Paleobiology Database (CC BY 4.0): adina, tokiak, arroka-formazioak, sailkapena.

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